Fuzzy Rough Set Model Based on Multi-fuzzy Granulations

  title={Fuzzy Rough Set Model Based on Multi-fuzzy Granulations},
  author={Mingfen Wu and Guangxue Kou},
  journal={2010 IEEE International Conference on Granular Computing},
Based on opinions of Y. H. Qian and J. Y. Liang about MGRS model, we make further research about these rough set models in fuzzy environment. The lower and upper approximations of fuzzy sets are defined based multi-fuzzy equivalence relations, and basic properties are investigated. It is shown that basic properties of fuzzy rough sets and MGRS models are special instance of MFGRS model. Afterwards, we propose an approximation measure of fuzzy sets based multi-fuzzy granulations, and the… CONTINUE READING

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